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Fix for SourceForge Bug #1283.

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* Change the name of the memory own variable for base java director classes to match that expected by the director code
* Add conditional to appropriately dynamically cast director classes wrapped in smart pointers.
This commit is contained in:
Brant K. Kyser 2013-01-03 14:54:06 -06:00 • committed by William S Fulton
commit 540ede0dd3
2 changed files with 23 additions and 7 deletions
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8
Lib/java/boost_shared_ptr.i
View file

@ -146,10 +146,10 @@
// Base proxy classes
%typemap(javabody) TYPE %{
private long swigCPtr;
private boolean swigCMemOwnBase;
private boolean swigCMemOwn;
PTRCTOR_VISIBILITY $javaclassname(long cPtr, boolean cMemoryOwn) {
swigCMemOwnBase = cMemoryOwn;
swigCMemOwn = cMemoryOwn;
swigCPtr = cPtr;
}
@ -176,8 +176,8 @@
%typemap(javadestruct, methodname="delete", methodmodifiers="public synchronized") TYPE {
if (swigCPtr != 0) {
if (swigCMemOwnBase) {
swigCMemOwnBase = false;
if (swigCMemOwn) {
swigCMemOwn = false;
$jnicall;
}
swigCPtr = 0;

22
Source/Modules/java.cxx
View file

@ -3381,6 +3381,7 @@ public:
String *swig_director_connect = Swig_name_member(getNSpace(), proxy_class_name, "director_connect");
String *swig_director_connect_jni = makeValidJniName(swig_director_connect);
String *sym_name = Getattr(n, "sym:name");
String *smartptr_feature = Getattr(n, "feature:smartptr");
Wrapper *code_wrap;
Printf(imclass_class_code, " public final static native void %s(%s obj, long cptr, boolean mem_own, boolean weak_global);\n",
@ -3390,9 +3391,24 @@ public:
Printf(code_wrap->def,
"SWIGEXPORT void JNICALL Java_%s%s_%s(JNIEnv *jenv, jclass jcls, jobject jself, jlong objarg, jboolean jswig_mem_own, "
"jboolean jweak_global) {\n", jnipackage, jni_imclass_name, swig_director_connect_jni);
Printf(code_wrap->code, " %s *obj = *((%s **)&objarg);\n", norm_name, norm_name);
Printf(code_wrap->code, " (void)jcls;\n");
Printf(code_wrap->code, " SwigDirector_%s *director = dynamic_cast<SwigDirector_%s *>(obj);\n", sym_name, sym_name);
if (Len(smartptr_feature)) {
Printf(code_wrap->code, " %s *obj = *((%s **)&objarg);\n", smartptr_feature, smartptr_feature);
Printf(code_wrap->code, " (void)jcls;\n");
Printf(code_wrap->code, " // NOTE: Pulling the raw pointer out of the smart pointer as the following code does\n");
Printf(code_wrap->code, " // is generally a bad idea. However, in this case we keep a local instance of the\n");
Printf(code_wrap->code, " // smart pointer around while we are using the raw pointer, which should keep the\n");
Printf(code_wrap->code, " // raw pointer alive. This is done instead of using the smart pointer's dynamic cast\n");
Printf(code_wrap->code, " // feature since different smart pointer implementations have differently named dynamic\n");
Printf(code_wrap->code, " // cast mechanisms.\n");
Printf(code_wrap->code, " SwigDirector_%s *director = dynamic_cast< SwigDirector_%s *>(obj->operator->());\n", sym_name, sym_name);
}
else {
Printf(code_wrap->code, " %s *obj = *((%s **)&objarg);\n", norm_name, norm_name);
Printf(code_wrap->code, " (void)jcls;\n");
Printf(code_wrap->code, " SwigDirector_%s *director = dynamic_cast<SwigDirector_%s *>(obj);\n", sym_name, sym_name);
}
Printf(code_wrap->code, " if (director) {\n");
Printf(code_wrap->code, " director->swig_connect_director(jenv, jself, jenv->GetObjectClass(jself), "
"(jswig_mem_own == JNI_TRUE), (jweak_global == JNI_TRUE));\n");